Shortened footnote and citation:
{{sfn|Schuon|2018|p=}}
* {{cite book | last=Schuon | first=Frithjof | title=Christentum - Islam | publisher=Tredition Gmbh | date=2018-09-18 | isbn=978-3-7469-5731-9 | language=de}}
Named reference:
<ref name="q311">{{cite book | last=Schuon | first=Frithjof | title=Christentum - Islam | publisher=Tredition Gmbh | date=2018-09-18 | isbn=978-3-7469-5731-9 | language=de | page=}}</ref>